Revert "Move as many files as possible from common to libANGLE." Chromium directly includes our common/version.h and couldn't build after this change. This reverts commit f0a2c7727f9863c38a435a16a69d513c481fbbdd. Change-Id: Iafc41b1a3973f609518fe3588fdb64cecc285332 Reviewed-on: https://chromium-review.googlesource.com/231840 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>